83494055957 has 8 divisors (see below), whose sum is σ = 90033008184. Its totient is φ = 76971722688.

The previous prime is 83494055903. The next prime is 83494055989. The reversal of 83494055957 is 75955049438.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3480882001 + 80013173956 = 58999^2 + 282866^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83494055957 - 2¹⁰ = 83494054933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83494055896 and 83494055905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83494355957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4144298 + ... + 4164395.

It is an arithmetic number, because the mean of its divisors is an integer number (11254126023).

Almost surely, 2^83494055957 is an apocalyptic number.

It is an amenable number.

83494055957 is a deficient number, since it is larger than the sum of its proper divisors (6538952227).

83494055957 is a wasteful number, since it uses less digits than its factorization.

83494055957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8309479.

The product of its (nonzero) digits is 27216000, while the sum is 59.

The spelling of 83494055957 in words is "eighty-three billion, four hundred ninety-four million, fifty-five thousand, nine hundred fifty-seven".